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A056181 as a simple table

na(n)
01
12
24
38
415
528
648
779
8126
9194
10290
11422
12602
13841
141155
151561
162079
172733
183550
194562
205803
217314
229140
2311330
2413941
2517035
2620681
2724956
2829944
2935735
3042432
3150143
3258988
3369097
3480610
3593679

[1,2,4,8,15,28,48,79,126,194,290,422,602,841,1155,
 1561,2079,2733,3550,4562,5803,7314,9140,11330,
 13941,17035,20681,24956,29944,35735,42432,50143,
 58988,69097,80610,93679]